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grams/cyl = ????

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Old 05-21-2004, 11:47 AM
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Default grams/cyl = ????

can efilivev5pro measure grams/cyl?, I've got map but what is the difference? I'm rather confused.......
Old 05-21-2004, 11:58 AM
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MAP is manifold pressure. That's the dynamite in
the shed.

Think of g/cyl as the amount of dynamite in the hole.

I think you will find it as cylinder air or dynamic
cylinder air.

g/cyl @ atmospheric goes directly to peak pre-
spark cylinder pressure, and this goes to burn
rate, hence it is the key spark advance index
along with RPM.

I don't remember about EFILiveV5 (why not V6?)
but if it doesn't have that PID available you can get
it by calculation, there are threads on here that
have the formula, I dug up this same thing the other
day but forget where now... something like

MAF(g/sec)/RPM*600

or similar. Seek and ye shall find.
Old 05-21-2004, 12:08 PM
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just back to post that I found it and what you said is right, its CYLAIR is what I need to look at, I didnt have it being used yet so I'll try it later, thanks for your info...

about the reason for v5, is I'm not 100% usto it yet so I dont want to have to start all over learning to use it again, I havent had any problems w/ it yet, so I'm in fear that it'll *** up just like everytime I update my computer, lol, btw.. how'z the hp tuner workin for ya?

Last edited by Assassin; 05-21-2004 at 12:29 PM.
Old 05-21-2004, 10:52 PM
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ok so I guess I have to get v6 cause I cant use the CYLAIR in v5, this sucks so much ***, does hp tuners have logging as good as efilive?
Old 05-21-2004, 11:16 PM
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Grams/cyl = MAF (Grams/sec) *15 / RPM
I think there is a calculated PID for this in EFILive V5. Or go to EFILive.com -> http://www.efilive.com/forum/viewforum.php?f=4 and ask for the PID. They're very helpful.




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